already, and 5:30 into the flight. >> incredible. just incredible. and i mean, to see that column of, it is incredible. and really rather remarkable and different every time, you say. >> yes, it depends upon where the wind is going, and the light and the time of the tday, and hw long you can see it and every launch is different, and you will look at each one differently now. >> the closest sound, and i can't think of, but it is a pale comparison to it when you hear a jet breaking the sound barrier and you hear the boom of the jet overhead, but it is nothing compared to this. there is, i don't know how the describe it. >> you can feel it through your whole body. >> yes. carol costello is with the spectators on the beach. carol, from your perspective, i mean, that sound which doesn't hit, and it takes a while for the sound to actually reach -- sorry, katy. what are we looking at? >> well, you can see the main engine tank, and we are about to separate in a couple of minutes, but you will see the edge of the earth there.